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Question
What encouragement for life on Mars came from the Global Surveyor?A) spectral evidence for chlorophyll
B) Hellas has a lake of salt water in its bottom.
C) The ice of the south polar cap is water, not dry ice.
D) strong photographic evidence for flowing and standing water on Mars in the past
E) The face on Mars is an artificial construct.
Answer
This answer is hidden. It contains 1 characters.
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